dridex | ac6a52a83c28292ea1d34c366e0445e133438698adf42a8437384b6790b326d4

Analysis

max time kernel
43s
max time network
53s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 22:59

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General

Target

ac6a52a83c28292ea1d34c366e0445e133438698adf42a8437384b6790b326d4.dll
Size

162KB
MD5

c63addbcab7bfa505e07c9aa3087e992
SHA1

5ef4bd37384d30f1540231b59879e17343edd89f
SHA256

ac6a52a83c28292ea1d34c366e0445e133438698adf42a8437384b6790b326d4
SHA512

762d8ec7640751603fb8c133db60eab5577dd8c66fafebabc6c9da903918a9fa03c3e9d943b7eac24c3f630810adeeff69c113192dff25f4d89692041e4d666a

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2760-115-0x0000000073860000-0x000000007388E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2760	1968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6a52a83c28292ea1d34c366e0445e133438698adf42a8437384b6790b326d4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac6a52a83c28292ea1d34c366e0445e133438698adf42a8437384b6790b326d4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2760

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2760-114-0x0000000000000000-mapping.dmp

Download
memory/2760-115-0x0000000073860000-0x000000007388E000-memory.dmp

Filesize
184KB

Download
memory/2760-117-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download